Briggs and Stratton Muffler Lock Nut Part# 690453


Briggs and Stratton Muffler Lock Nut part# 690453 is used to lock a muffler into position by tightening the lock nut against the engine block. This lock nut is 3/4" NPT and could be used on any muffler that has a 3/4" NPT pipe that screws into the engine block. Following is a list of some of the model series that use this lock nut; 121400, 135200, 192400, 194700, 195700, 196400, 196700, 197400, 197700, 198700, 19E400, 19F400, 19G400, and 422400. There may be other models that use this part that we do not have listed here. All Briggs and Stratton parts are type number and sometimes code number specific. Please refer to a parts breakdown for your specific model, type, and code numbers to assure that this part will work on your motor.
  • Model: Briggs0243
  • 8 Units in Stock

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This product was added to our catalog on Thursday 23 April, 2015.

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